638539740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 2059223040

約数和(自身を除く): 1420683300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 151, 164, 180, 191, 205, 246, 270, 302, 369, 382, 410, 453, 492, 540, 573, 604, 615, 738, 755, 764, 820, 906, 955, 1107, 1146, 1230, 1359, 1476, 1510, 1719, 1812, 1845, 1910, 2214, 2265, 2292, 2460, 2718, 2865, 3020, 3438, 3690, 3820, 4077, 4428, 4530, 5157, 5436, 5535, 5730, 6191, 6795, 6876, 7380, 7831, 8154, 8595, 9060, 10314, 11070, 11460, 12382, 13590, 15662, 16308, 17190, 18573, 20385, 20628, 22140, 23493, 24764, 25785, 27180, 28841, 30955, 31324, 34380, 37146, 39155, 40770, 46986, 51570, 55719, 57682, 61910, 70479, 74292, 78310, 81540, 86523, 92865, 93972, 103140, 111438, 115364, 117465, 123820, 140958, 144205, 156620, 167157, 173046, 185730, 211437, 222876, 234930, 259569, 278595, 281916, 288410, 334314, 346092, 352395, 371460, 422874, 432615, 469860, 519138, 557190, 576820, 668628, 704790, 778707, 835785, 845748, 865230, 1038276, 1057185, 1114380, 1182481, 1297845, 1409580, 1557414, 1671570, 1730460, 2114370, 2364962, 2595690, 3114828, 3343140, 3547443, 3893535, 4228740, 4729924, 5191380, 5912405, 7094886, 7787070, 10642329, 11824810, 14189772, 15574140, 17737215, 21284658, 23649620, 31926987, 35474430, 42569316, 53211645, 63853974, 70948860, 106423290, 127707948, 159634935, 212846580, 319269870, 638539740]

約数ペア:

[(1, 638539740), (2, 319269870), (3, 212846580), (4, 159634935), (5, 127707948), (6, 106423290), (9, 70948860), (10, 63853974), (12, 53211645), (15, 42569316), (18, 35474430), (20, 31926987), (27, 23649620), (30, 21284658), (36, 17737215), (41, 15574140), (45, 14189772), (54, 11824810), (60, 10642329), (82, 7787070), (90, 7094886), (108, 5912405), (123, 5191380), (135, 4729924), (151, 4228740), (164, 3893535), (180, 3547443), (191, 3343140), (205, 3114828), (246, 2595690), (270, 2364962), (302, 2114370), (369, 1730460), (382, 1671570), (410, 1557414), (453, 1409580), (492, 1297845), (540, 1182481), (573, 1114380), (604, 1057185), (615, 1038276), (738, 865230), (755, 845748), (764, 835785), (820, 778707), (906, 704790), (955, 668628), (1107, 576820), (1146, 557190), (1230, 519138), (1359, 469860), (1476, 432615), (1510, 422874), (1719, 371460), (1812, 352395), (1845, 346092), (1910, 334314), (2214, 288410), (2265, 281916), (2292, 278595), (2460, 259569), (2718, 234930), (2865, 222876), (3020, 211437), (3438, 185730), (3690, 173046), (3820, 167157), (4077, 156620), (4428, 144205), (4530, 140958), (5157, 123820), (5436, 117465), (5535, 115364), (5730, 111438), (6191, 103140), (6795, 93972), (6876, 92865), (7380, 86523), (7831, 81540), (8154, 78310), (8595, 74292), (9060, 70479), (10314, 61910), (11070, 57682), (11460, 55719), (12382, 51570), (13590, 46986), (15662, 40770), (16308, 39155), (17190, 37146), (18573, 34380), (20385, 31324), (20628, 30955), (22140, 28841), (23493, 27180), (24764, 25785)]